<template>
  <div>
    <!-- 面包屑 -->
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片 -->
    <el-card>
      <!-- 搜索与添加 -->
      <el-row :gutter="20">
        <el-col :span="9">
          <el-input
            v-model="queryInfo.query"
            placeholder="请输入内容"
            class="input-with-select"
            clearable
            @clear="getUserList"
          >
            <el-button
              @click="getUserList"
              slot="append"
              icon="el-icon-search"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true"
            >添加用户</el-button
          >
        </el-col>
      </el-row>
      <!-- 数据 -->
      <el-table :data="userList" border stripe>
        <el-table-column label="#" type="index"> </el-table-column>
        <el-table-column label="姓名" prop="username"> </el-table-column>
        <el-table-column label="邮箱" prop="email"> </el-table-column>
        <el-table-column label="电话" prop="mobile"> </el-table-column>
        <el-table-column label="角色" prop="role_name"> </el-table-column>
        <el-table-column label="状态" prop="mg_state">
          <!-- 拿到状态数据v-slot="scope" -->
          <template v-slot="scope">
            <el-switch
              v-model="scope.row.mg_state"
              @change="userStateChange(scope.row)"
            ></el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template v-slot="scope">
            <el-tooltip content="编辑" placement="top" :enterable="false">
              <el-button
                type="primary"
                icon="el-icon-edit"
                size="mini"
                @click="showEditDialog(scope.row.id)"
              ></el-button>
            </el-tooltip>
            <el-tooltip content="删除" placement="top" :enterable="false">
              <el-button
                type="danger"
                icon="el-icon-delete"
                size="mini"
                @click="removeUser(scope.row.id)"
              ></el-button>
            </el-tooltip>
            <el-tooltip content="分配角色" placement="top" :enterable="false">
              <el-button
                type="warning"
                icon="el-icon-setting"
                size="mini"
                @click="setRole(scope.row)"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>
    <!-- 添加用户的对话框 -->
    <el-dialog
      title="添加用户"
      :visible.sync="addDialogVisible"
      width="50%"
      @close="addDialogClosed"
    >
      <el-form
        :model="addForm"
        :rules="addFormRules"
        ref="addFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 修改用户的对话框 -->
    <el-dialog
      title="修改用户"
      :visible.sync="editDialogVisible"
      width="50%"
      @close="editDialogClosed"
    >
      <el-form
        :model="editForm"
        :rules="editFormRules"
        ref="editFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名" prop="username">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogClosed">取 消</el-button>
        <el-button type="primary" @click="editUser">确 定</el-button>
      </span>
    </el-dialog>
    <!--  -->
    <el-dialog
      title="分配角色"
      :visible.sync="setRoleDialogVisible"
      width="50%"
      @close="setRoleDialogClosed"
    >
      <p>当前用户 {{ userInfo.username }}</p>
      <p>当前角色 {{ userInfo.role_name }}</p>
      <p>
        分配角色
        <el-select v-model="selectRoleId" placeholder="请选择">
          <el-option
            v-for="item in rolesList"
            :key="item.id"
            :label="item.roleName"
            :value="item.id"
          >
          </el-option>
        </el-select>
      </p>

      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  name: 'User',
  data() {
    var checkEmail = (rule, value, cb) => {
      const regEmail = /^[A-Za-z0-9\u4e00-\u9fa5]+@[a-zA-Z0-9_-]+(\.[a-zA-Z0-9_-]+)+$/
      if (regEmail.test(value)) {
        return cb()
      }
      cb(new Error('请输入合法邮箱'))
    }
    var checkMobile = (rule, value, cb) => {
      const regMobile = /^1(?:70\d|(?:9[89]|8[0-24-9]|7[135-8]|66|5[0-35-9])\d|3(?:4[0-8]|[0-35-9]\d))\d{7}$/
      if (regMobile.test(value)) {
        return cb()
      }
      cb(new Error('请输入合法手机号'))
    }
    return {
      /// 获取用户列表的对象
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 2,
      },
      userList: [],
      total: 0,
      addDialogVisible: false, /// 添加用户对话框是否显示
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: '',
      },
      addFormRules: {
        username: [
          {
            required: true,
            message: '请输入用户名',
            trigger: 'blur',
          },
          {
            min: 3,
            max: 10,
            message: '长度在3-10',
            trigger: 'blur',
          },
        ],
        password: [
          {
            required: true,
            message: '请输入密码',
            trigger: 'blur',
          },
          {
            min: 6,
            max: 15,
            message: '长度在6-15',
            trigger: 'blur',
          },
        ],
        email: [
          {
            required: true,
            message: '请输入邮箱',
            trigger: 'blur',
          },
          {
            validator: checkEmail,
            trigger: 'blur',
          },
        ],
        mobile: [
          {
            required: true,
            message: '请输入手机',
            trigger: 'blur',
          },
          {
            validator: checkMobile,
            trigger: 'blur',
          },
        ],
      },
      editDialogVisible: false,
      editForm: {},
      editFormRules: {
        email: [
          {
            required: true,
            message: '请输入邮箱',
            trigger: 'blur',
          },
          {
            validator: checkEmail,
            trigger: 'blur',
          },
        ],
        mobile: [
          {
            required: true,
            message: '请输入手机',
            trigger: 'blur',
          },
          {
            validator: checkMobile,
            trigger: 'blur',
          },
        ],
      },
      setRoleDialogVisible: false,
      /// 需要被分配角色的用户信息
      userInfo: {},
      rolesList: [],
      /// 已经选中的角色id
      selectRoleId: '',
    }
  },
  created() {
    this.getUserList()
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$http.get('users', {
        params: this.queryInfo,
      })
      if (res.meta.status !== 200) return this.$message.error(res.meta.msg)
      this.userList = res.data.users
      this.total = res.data.total
    },
    /// 监听pagesize事件
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    /// 监听页码值改变事件
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    /// 状态改变
    async userStateChange(info) {
      const { data: res } = await this.$http.put(
        `users/${info.id}/state/${info.mg_state}`
      )
      if (res.meta.status !== 200) {
        info.mg_state = !info.mg_state
        return this.$message.error(res.meta.msg)
      }
      this.$message.success(res.meta.msg)
    },
    addDialogClosed() {
      this.$refs.addFormRef.resetFields()
    },
    addUser() {
      this.$refs.addFormRef.validate(async (valid) => {
        if (!valid) return
        const { data: res } = await this.$http.post('users', this.addForm)
        if (res.meta.status !== 201) return this.$message.error(res.meta.msg)
        this.$message.success('添加用户成功')
        this.addDialogVisible = false
        this.getUserList()
      })
    },
    async showEditDialog(id) {
      this.editDialogVisible = true
      const { data: res } = await this.$http.get('users/' + id)
      if (res.meta.status !== 200) return this.$message.error(res.meta.msg)
      this.editForm = res.data
    },
    editDialogClosed() {
      this.$refs.editFormRef.resetFields()
      this.editDialogVisible = false
    },
    editUser() {
      this.$refs.editFormRef.validate(async (valid) => {
        if (!valid) return
        const { data: res } = await this.$http.put(
          'users/' + this.editForm.id,
          {
            email: this.editForm.email,
            mobile: this.editForm.mobile,
          }
        )
        if (res.meta.status !== 200) return this.$message.error(res.meta.msg)
        this.$message.success('修改用户成功')
        this.editDialogVisible = false
        this.getUserList()
      })
    },
    async removeUser(id) {
      /// 弹框
      const result = await this.$confirm(
        '此操作将永久删除该用户, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning',
        }
      ).catch((err) => {
        return err
      })
      /// 点确认的话返回字符串 confirm
      /// 点取消的话返回字符串 concel
      if (result !== 'confirm') {
        return this.$message.info('已取消删除')
      }
      const { data: res } = await this.$http.delete('users/' + id)
      if (res.meta.status !== 200) return this.$message.error(res.meta.msg)
      this.$message.success('删除用户成功')
      this.getUserList()
    },
    async setRole(userInfo) {
      this.userInfo = userInfo
      /// 在展示对话框之前获取所有角色列表
      const { data: res } = await this.$http.get('roles')
      if (res.meta.status !== 200) return this.$message.error(res.meta.msg)
      this.rolesList = res.data
      this.setRoleDialogVisible = true
    },
    /// 点击按钮分配角色
    async saveRoleInfo() {
      if (!this.selectRoleId) {
        return this.$message.error('请选择要分配的角色')
      }
      const { data: res } = await this.$http.put(
        `users/${this.userInfo.id}/role`,
        {
          rid: this.selectRoleId,
        }
      )
      if (res.meta.status !== 200) return this.$message.error(res.meta.msg)
      this.$message.success('分配角色成功')
      this.getUserList()
      this.setRoleDialogVisible = false
    },
    setRoleDialogClosed() {
      this.selectRoleId = ''
      this.userInfo = ''
    },
  },
}
</script>
<style Lang="less" scoped>
</style>
